13742563 has 4 divisors (see below), whose sum is σ = 13757688. Its totient is φ = 13727440.

The previous prime is 13742557. The next prime is 13742581. The reversal of 13742563 is 36524731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13742563 - 2⁹ = 13742051 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13742593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (3439422).

Almost surely, 2^13742563 is an apocalyptic number.

13742563 is a deficient number, since it is larger than the sum of its proper divisors (15125).

13742563 is an equidigital number, since it uses as much as digits as its factorization.

13742563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124.

The product of its digits is 15120, while the sum is 31.

The square root of 13742563 is about 3707.0963030383. The cubic root of 13742563 is about 239.5277925915.

The spelling of 13742563 in words is "thirteen million, seven hundred forty-two thousand, five hundred sixty-three".